Mine car



J. H. LIN HARDT MINE CAR 2 Sheets-Sheet Filed March 17. 1927 n l l.. L. LT J 1 1 0 Z o0 f f 2 J Sept. 24, 1929 `.1. H. LlNHARDT MINE CAR -Filed Maron 17,

2 Sheets-Sheet Patented Sept. 24, ,1929

UNITED y STATES. PATENT ,for-Fica .TOEN H. IIINHARDT, 0F STFFRANCOIS, MISSOURI, ASSIGNOR T NATIONAL LEAD COMPANY- Minn can Appnqation inea march 17, 19231. serial No. 176,263.

such

This invention pertains to mine cars,

coal,

as are used in mines vfor hauling'ores,I and the like..

The ordinary mine car 1s usually subjected to very rough usage. The materials handled are hard and abrasive and are handled without regard to their effect on the apparatus used. These cars are run in trains, back and forth through the mines, sometimes at hlgh speeds, over rough tracks, andsubjected to considerable jolting. It is the usual experlence in the operation of such cars that frequent repairs are required on account of such rough handling.

One of the objects of this invention, therefore, is tol provide a mine car, having improved strength of construction, withstand' harder usage.

Another object is to provide an improved mine car body of greater strength.

Another object is to provide an improved supporting structure which will be less subf ject to wear and easier to repair than the usual construction. A

Further objects will appear from the following description, taken in connection with the accompanying drawings, in which Figure 1 is a plan view of a car this invention;

Figure 2 is a side view of the same; Figure 3 is a section on line 3-3 of F1gure 2, somewhat enlarged ;v l

Figure 4 is a section on 3; and

Figure 5 is an enlarged section on line 55 of Figure 2. i I

In accordance with the present invention, the mine car body is constructed 'of cast steel, or similar materlal. capable of being cas t,b'1t having great strength, elasticity and toughness. The body is cast in one piece as a single casting. Making the body as a single Vcasting provides that it shall consist of a single piece of metal, without seams or joints and, "therefore, of increased strength, since there are no connected parts to work loose or getout of order.

Referring to the drawing, the body has a bottomor base portion, 1, somewhat contracted laterally inthe embodiment illustrated, and eared sides 2. The

and able toy .when the latter embodying l .which is placed in the mold line 4-4 of Figure' in turn,

i 18 surrounding bottom and sides merge into vertical ends 3. VThe sides2 and the ends 3l are relatively deep, so as to, form a deep body, Anenlarged bead 4; may be vformed around the upper edge of the sides and ends, so as to stifen the same and provide a wearing edge. The sides and ends may be further reinforced and s'tifened by means of longitudinal ribs 5, formed intermediate the topand bottom of the sides and ends. These ribs, 'being inteand ends, form strong gral with the sides which, together with reinforcing members,

having a considerable capacity.

the top bead 4, greatly stiffen and strengthen the sides and ends of the body.

Formed in the contracted bottom portion 1 of the body are transverse channels 6 adapted to provide axle sockets and having formed at j their ends bearing sockets 7. These axle and bearing sockets are cast into thecar body is formed. A bumper socket is also cast integralwith the car body at the ends thereof.

In order to provide for cou ling cars together in a train, coupling brac ets9 are cast on-the ends 3 atthe time the body is cast:

These brackets are each provided with a slotV coupling link 11, and cast into the slot 10. l,Each bracket 9 is provided with a hook12 adapted to receive t e coupling link 11 o f the next car of a train.

The Wheels 13 are fixed, one upon 14; and the other upon a sleeve 15 within which the shaft is journaled. The sleeve 15, is adapted to run in bearings 16,

10 adapted to receive a loose mounted 17 may be provided with an internal chamber the sleeve 15 and adapted to receivelubricant 16. A bearin bracket 19 is cast on each end of the casing 1 l The wheels are assembled on the car by placing the body' upon the axles formed by the c'asings 17 in such a way that the casings 17 are received within the sockets 6, while the bearing brackets 19 fit into the sockets 7.- A pair of springs 20 is mounted on'each bracket 19 so as to be interposed between said bracket and the socket 7. Lugs 21 a shaft i for lubricating the bearings in a quill or casing 17. The casing A tary axle therefor.

on the bracket 19 keep the springs 20 in lace thereon. The springs 20 support the car ody and are,'in turn, supported by the brackets 19 and the casing 17. After inserting the brackets 19 in the sockets 7, the` same maybe retained therein by inserting pins 22' through suitable perforations in the sidesof the sockets 7 and bending over the ends of these pins, as illustrated in Fig.- 3. These tegral therewith and a loose coupling link cast therein.

8. A mine car body, consisting of a single casting and having bearing andbumper sockets cast therein.

yIn testimony whereof I aiiix my signature .this 29th day of July, 1926.

v y JOHN H. LINHARDT.

pins pass underneath the brackets ,19 and rev tain the same in their sockets.

' A bumper 23 is seated in' each of -the pumper sockets 8, springs -24 being inserted therebetween. Each bumper is held in place by a pin 25, passingl through an elongated slot`26 in the bumper. This slot permits play of the bumper in and out in the performance v of its function as a bumper. Lugs 27 4may, also be provided tov keep the s rings in place.4

It will be seen, therefore, t at this invention provides an improved mine car construction. The car body, while being deep and of large capacity, is cast in a single piece, So that it will be solid and free from joints or seams, which are liable to open under hard service. The sides and ends are securely reinforced withlintegral ribs.

The axle is simply'set loosely in the axle socket and supported therein on springs. The

arrangement of the shaft 14 and the sleeve 15 permits the wheels to turn independently of each other in rounding curves and, at the same time, forms what is practically a uni- Casting the axle and bearing sockets, as Well as the bumper sockets, in one piece with the body renders the same of increased -strength and, therefore, cheaper to maintain. l

It isobvious that various changes may be l made in the details of construction wlthout departing from the spirit of this invention; it is to be understood, therefore, that this 1nvention is not limited to the specific details 4. A mine car body having` a transversel axle socket with bearing sockets at the ends thereof, said sockets being cast'integral with 4said body.

5. A mine car body' of cast metaL'having bumper sockets cast integral therewith.

6. A mineucar body consisting of a single casting and having a loose'coupling link cast therein.

7. A mine car body, consisting of a single casting and having a bumper socket-cast in- 

